2 Channel 5V SSR G3MB-202P Solid State Relay Module
Description
The 2 Channel 5V SSR (Solid State Relay) G3MB-202P Solid State Relay Module is an electronic module used to control high-power AC loads using low-voltage DC signals. Here's a description of its use and functionality:
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Solid State Relay (SSR): The module contains two SSRs, each capable of switching an AC load. SSRs use semiconductor devices such as MOSFETs or TRIACs to perform the switching action, eliminating the mechanical contacts found in traditional electromagnetic relays.
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Input Voltage: The module operates with a 5V DC input voltage, making it compatible with standard logic levels from microcontrollers, Arduino boards, Raspberry Pi, and other digital control devices.
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Output Channels: It features two independent relay channels, allowing for the simultaneous control of two separate AC loads. Each channel typically provides a normally open (NO) and a normally closed (NC) terminal for connection to the load.
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G3MB-202P Relay: The G3MB-202P relay is a commonly used SSR with a rated load voltage of up to 240V AC and a maximum load current of 2A. This makes it suitable for controlling a variety of AC loads such as lamps, heaters, motors, and solenoids.
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Zero-Crossing Detection: Some SSR modules, including the G3MB-202P, incorporate zero-crossing detection circuitry. This feature ensures that the relay switches ON and OFF at the zero-crossing point of the AC waveform, reducing electromagnetic interference and prolonging the relay's lifespan.
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Optical Isolation: SSRs provide electrical isolation between the input and output circuits using optocouplers. This isolation helps to protect the control circuitry from voltage spikes and ensures safer operation.
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LED Indicators: The module often includes LED indicators to visually indicate the status of each relay channel, making it easy to monitor whether the relay is activated or deactivated.
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Compact Design: The module typically comes in a compact form factor, allowing for easy integration into various electronic projects, prototypes, or industrial control systems.
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Screw Terminal Blocks: It may feature screw terminal blocks for convenient and secure connection of wires to the relay channels, eliminating the need for soldering and simplifying installation and maintenance.
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Applications: Common applications of the 2 Channel 5V SSR G3MB-202P Solid State Relay Module include home automation, industrial automation, lighting control, temperature control, and motor control, among others.
Overall, the 2 Channel 5V SSR G3MB-202P Solid State Relay Module provides a reliable and efficient solution for switching AC loads using low-voltage DC control signals, offering electrical isolation, compactness, and compatibility with a wide range of applications.
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